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storageIsFull.test.ts
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storageIsFull.test.ts
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import { describe, expect, test } from 'vitest'
import {
MutationCache,
QueryCache,
QueryClient,
dehydrate,
} from '@tanstack/query-core'
import { removeOldestQuery } from '@tanstack/query-persist-client-core'
import { createSyncStoragePersister } from '../index'
import { sleep } from './utils'
function getMockStorage(limitSize?: number) {
const dataSet = new Map<string, string>()
return {
getItem(key: string): string | null {
const value = dataSet.get(key)
return value === undefined ? null : value
},
setItem(key: string, value: string) {
if (typeof limitSize !== 'undefined') {
const currentSize = Array.from(dataSet.entries()).reduce(
(n, d) => d[0].length + d[1].length + n,
0,
)
if (
currentSize - (dataSet.get(key)?.length || 0) + value.length >
limitSize
) {
throw Error(
`Failed to execute 'setItem' on 'Storage': Setting the value of '${key}' exceeded the quota.`,
)
}
}
return dataSet.set(key, value)
},
removeItem(key: string) {
return dataSet.delete(key)
},
} as any as Storage
}
describe('createpersister ', () => {
test('basic store and recover', async () => {
const queryCache = new QueryCache()
const mutationCache = new MutationCache()
const queryClient = new QueryClient({ queryCache, mutationCache })
const storage = getMockStorage()
const persister = createSyncStoragePersister({
throttleTime: 0,
storage,
})
await queryClient.prefetchQuery({
queryKey: ['string'],
queryFn: () => Promise.resolve('string'),
})
await queryClient.prefetchQuery({
queryKey: ['number'],
queryFn: () => Promise.resolve(1),
})
await queryClient.prefetchQuery({
queryKey: ['boolean'],
queryFn: () => Promise.resolve(true),
})
await queryClient.prefetchQuery({
queryKey: ['null'],
queryFn: () => Promise.resolve(null),
})
await queryClient.prefetchQuery({
queryKey: ['array'],
queryFn: () => Promise.resolve(['string', 0]),
})
const persistClient = {
buster: 'test-buster',
timestamp: Date.now(),
clientState: dehydrate(queryClient),
}
persister.persistClient(persistClient)
await sleep(1)
const restoredClient = await persister.restoreClient()
expect(restoredClient).toEqual(persistClient)
})
test('should clean the old queries when storage full', async () => {
const queryCache = new QueryCache()
const mutationCache = new MutationCache()
const queryClient = new QueryClient({ queryCache, mutationCache })
const N = 2000
const storage = getMockStorage(N * 5) // can save 4 items;
const persister = createSyncStoragePersister({
throttleTime: 0,
storage,
retry: removeOldestQuery,
})
await queryClient.prefetchQuery({
queryKey: ['A'],
queryFn: () => Promise.resolve('A'.repeat(N)),
})
await sleep(1)
await queryClient.prefetchQuery({
queryKey: ['B'],
queryFn: () => Promise.resolve('B'.repeat(N)),
})
await sleep(1)
await queryClient.prefetchQuery({
queryKey: ['C'],
queryFn: () => Promise.resolve('C'.repeat(N)),
})
await sleep(1)
await queryClient.prefetchQuery({
queryKey: ['D'],
queryFn: () => Promise.resolve('D'.repeat(N)),
})
await sleep(1)
await queryClient.prefetchQuery({
queryKey: ['E'],
queryFn: () => Promise.resolve('E'.repeat(N)),
})
const persistClient = {
buster: 'test-limit',
timestamp: Date.now(),
clientState: dehydrate(queryClient),
}
persister.persistClient(persistClient)
await sleep(10)
const restoredClient = await persister.restoreClient()
expect(restoredClient?.clientState.queries.length).toEqual(4)
expect(
restoredClient?.clientState.queries.find((q) => q.queryKey[0] === 'A'),
).toBeUndefined()
expect(
restoredClient?.clientState.queries.find((q) => q.queryKey[0] === 'B'),
).not.toBeUndefined()
// update query Data
await queryClient.prefetchQuery({
queryKey: ['A'],
queryFn: () => Promise.resolve('a'.repeat(N)),
})
const updatedPersistClient = {
buster: 'test-limit',
timestamp: Date.now(),
clientState: dehydrate(queryClient),
}
persister.persistClient(updatedPersistClient)
await sleep(10)
const restoredClient2 = await persister.restoreClient()
expect(restoredClient2?.clientState.queries.length).toEqual(4)
expect(
restoredClient2?.clientState.queries.find((q) => q.queryKey[0] === 'A'),
).toHaveProperty('state.data', 'a'.repeat(N))
expect(
restoredClient2?.clientState.queries.find((q) => q.queryKey[0] === 'B'),
).toBeUndefined()
})
test('should clear storage as default error handling', async () => {
const queryCache = new QueryCache()
const mutationCache = new MutationCache()
const queryClient = new QueryClient({ queryCache, mutationCache })
const N = 2000
const storage = getMockStorage(0)
const persister = createSyncStoragePersister({
throttleTime: 0,
storage,
retry: removeOldestQuery,
})
await queryClient.prefetchQuery({
queryKey: ['A'],
queryFn: () => Promise.resolve('A'.repeat(N)),
})
await sleep(1)
const persistClient = {
buster: 'test-limit',
timestamp: Date.now(),
clientState: dehydrate(queryClient),
}
persister.persistClient(persistClient)
await sleep(10)
const restoredClient = await persister.restoreClient()
expect(restoredClient).toEqual(undefined)
})
})